more drastic in critical battle ground states. like new hampshire where candidates are spending 223% more than they did in 2008. in north carolina, it's 195% more. in virginia, 143%. and in colorado, ad spending has jumped by 146%. there's more. in even dys >> ifill: and there's more. in seven days, from september 13 to septemthr 19, e romney campaign spent $425,000 in battleground colorado on 1,283 ads. the obama campaign spent $1.1 million on 2,891 ads. that's statewide. narrow the focus to one city, change19 springs, and e is even more dramatic.an at this te fois years ago, 519 presidential campaign e s had aired in this top ten ad market. this year, the number jumped to 1,445. the newshour is partnering with kantar media/cmag and npr to keep track of all that spending.